Post-Construction BMPs


Countywide Stormwater Pollution Prevention Program

Foam Pollution (Stormwater)

Post-Construction BMPs

The following is a list of resources available for developers, builders, and other project applicants with information on the use of site design, source control, and treatment control BMPs to control the quality and quality of runoff during the use of development projects.

Stormwater Best Management Practice Handbook - New Development and Redevelopment.
This is one of a series of handbooks developed by the California Association of Stormwater Quality Agencies (CASQA) to provide guidance on selecting and implementing BMPs to reduce the discharge of pollutants from construction sites.  This document is available for download free of charge at the following website:

Start at the Source, 1999 Edition and May 2003 Companion Document
Bay Area Stormwater Management Agencies Association (BASMAA)

This document is intended for use in the planning and design phases of residential, commercial, institutional and industrial development and redevelopment.  It recognizes that one of the best opportunities to reduce the generation of urban runoff or “nonpoint source pollution” from development is through planning and design.  Link to download page.

Post-Construction Stormwater BMPs in Action

This guidebook provides examples of Post-Construction BMPs that have been incorporated into the design of development projects in the northern half of the San Francisco Bay.  Click here for download.

Developments Protecting Water Quality - A Guidebook of Site Design Examples.
This guidebook includes many examples of the use of site design BMPs in development projects to reduce long-term polluted runoff and downstream erosion.  Click here for download.

Basin Sizer

Basin Sizer was developed by the Office of Water Programs at California State University, Sacramento.  The program allows users to find information useful for sizing stormwater basins in California.  This new version includes methods to size water quality flow (WQF) devices and contains a new way to export your results. Link to download page.

Bioretention Manual - Prince George's County, Maryland
Bioretention is one of the main components of the Low Impact Development (LID) approach for managing stormwater runoff.  Bioretention was developed by Prince George's County around 1990 and has become the "Integrated Management Practice" (or IMP) of choice around the world.  The County continues to refine the bioretention IMP design, and its effectiveness has been documented by studies that show significant pollutant loading reductions.  Link to Bioretention Manual (large file).